Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1992-06-08
1993-08-31
Rosenbaum, Mark
Metal founding
Process
Shaping liquid metal against a forming surface
164100, B22D 1902
Patent
active
052400620
ABSTRACT:
The present invention relates to the use of a gating means in combination with a spontaneous infiltration process to produce a metal matrix composite body. Particularly, a permeable mass of filler material or a preform is spontaneously infiltrated by molten matrix metal to form a metal matrix composite body. A gating means is provided which controls or limits the areal contact between molten matrix metal and the filler material or preform. The use of a gating means provides for control of the amount of matrix metal which can contact the preform or filler material, which may result in less machining of a formed metal matrix composite body compared with a similar metal matrix composite body made without a gating mean. Moreover, the use of a gating means ameliorates the tendency of a formed metal matrix composite body to warp due to the contact between the formed composite body and matrix metal carcass.
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Aghajanian Michael K.
Kennedy Christopher R.
Langensiepen Ralph A.
Rocazella Michael A.
Wiener Robert J.
Lanxide Technology Company, LP
Lewis Carol A.
Mortenson Mark G.
Pelto Rex E.
Rosenbaum Mark
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